The UCC3580D-4 from Texas Instruments is a high-performance offline switch-mode power supply controller designed for flyback and forward topologies. Packaged in a 16-SOIC surface-mount form factor, this IC is optimized for isolated AC/DC power conversion applications. With a start-up voltage of 15V and an operational supply range of 8.5V to 15V, it ensures reliable power delivery in demanding environments. The device supports a 66% duty cycle, enabling efficient power transfer while maintaining stability. As a Last Time Buy product, it remains a robust choice for legacy designs requiring proven performance.
The UCC3580D-4 stands out as a versatile, high-efficiency offline switch controller, particularly for flyback and forward converter designs. Its soft-start feature, wide supply range, and isolated output make it a dependable choice for industrial, telecom, and medical applications. While classified as Last Time Buy, its RoHS3 compliance and robust performance ensure it remains a viable solution for legacy and new designs requiring reliable power management. Engineers seeking a balance of efficiency and durability will find this IC well-suited for demanding power conversion tasks.
Download datasheets and manufacturer documentation for UCC3580D-4